UNMC_Acronym_Vert_sm_4c
University of Nebraska Medical Center

Kyle J. Hewitt, PhD

Associate Professor, Department of Genetics, Cell Biology, and Anatomy
Co-Director, Molecular Genetics & Cell Biology PhD Program
Director, Single Cell and Spatial Transcriptomics Core

402-559-4689

Headshot of Kyle J. Hewitt, PhD

Dr. Hewitt's research is focused on understanding mechanisms of stem cell self-renewal and differentiation, genesis and maintenance of stem/progenitor cells in hematopoiesis, and how aberrant control of cis-regulatory elements can lead to anemia and leukemia. His lab has discovered GATA transcription factor target genes, including the Sterile Alpha Motif Domain-14 (Samd14) gene, which promotes cell signaling and red blood cell regeneration via receptor tyrosine kinase signaling. Dr. Hewitt's laboratory uses human and mouse cell assays, genetic mouse models, leukemia cell lines, and computational approaches to discover new pathways and mechanisms of regenerative hematopoiesis and leukemia.

  • Post-doc, University of Wisconsin-Madison
  • PhD, Cell, Molecular, Developmental Biology, Tufts University
  • BA, Biology, Colorado College
The Hewitt Lab is working towards developing a systematic view of cis-regulatory transcriptional control mechanisms – and their impact on hematopoiesis – during physiological and regenerative conditions. To investigate cis-regulatory mechanisms that guide physiological and regenerative blood formation, they are particularly interested in how gene regulation is controlled during the differentiation of all the varied cell types that exist in the blood system, the role of the GATA family of transcription factors in development, and diseases that arise from deregulated transcription factor activities including chronic anemias and leukemias.

Outstanding questions:
  1. How do GATA transcription factors coordinate red blood cell regeneration in anemia and leukemia?
  2. What are the features that dictate the function of cis-regulatory elements in erythroid and myeloid progenitor cells?
  3. How do signaling pathways coordinate up- and downstream cellular activities through common intermediates in stress?
Major ongoing projects in the lab include the determination of cis-regulatory control mechanisms in erythroid regeneration, and the coordination of cell signaling to regulate transcriptional activation and progenitor activities. See research page for more details.